diff --git a/docs/员工端版本功能对比与功能对齐清单-20260717.md b/docs/员工端版本功能对比与功能对齐清单-20260717.md
index 95273074..d0e10236 100644
--- a/docs/员工端版本功能对比与功能对齐清单-20260717.md
+++ b/docs/员工端版本功能对比与功能对齐清单-20260717.md
@@ -91,4 +91,4 @@ Figma 已完成全文件结构和视觉复核，当前实测为 81 个顶层页
 
 | 功能 | 客户要求 | Figma | 当前代码 | 线上状态 | 处理决定 |
 | --- | --- | --- | --- | --- | --- |
-| 语音文字交互形态 | 2026-07-18 客户原话:凡语音文字交互处应做成微信聊天式(消息流+按住说话),现表单式操作太复杂 | 表单式布局(输入框+按钮组) | 问页已改会话流:ChatComposer(⊕面板/按住说话松开即发/键盘切换)+气泡消息流,引用/总结卡/反馈/播报收入答案气泡操作行 | 已发布并生产冒烟通过(2026-07-18) | 按客户要求执行,客户原话 > Figma;练页为第二批,web-ai 页随批次二统一 |
+| 语音文字交互形态 | 2026-07-18 客户原话:凡语音文字交互处应做成微信聊天式(消息流+按住说话),现表单式操作太复杂 | 表单式布局(输入框+按钮组) | 问页已改会话流:ChatComposer(⊕面板/按住说话松开即发/键盘切换)+气泡消息流,引用/总结卡/反馈/播报收入答案气泡操作行 | 已发布并生产冒烟通过(2026-07-18) | 按客户要求执行,客户原话 > Figma;2026-07-18 批次二完成:练页对练进行中改为同款会话(业主台词=语音优先气泡+红点+转文字,老师傅提示气泡,风格chips,⊕面板收纳选音频/求助/结束评分,松开即发送),预习/每日三题/评分视图保持;web-ai 页待批次三 |
diff --git a/mobile-uni/src/components/chat/ChatComposer.vue b/mobile-uni/src/components/chat/ChatComposer.vue
index bbda5890..6b743905 100644
--- a/mobile-uni/src/components/chat/ChatComposer.vue
+++ b/mobile-uni/src/components/chat/ChatComposer.vue
@@ -69,20 +69,34 @@
     </view>
 
     <view v-if="panelOpen" class="composer-panel">
-      <button class="panel-item" :disabled="disabled" @click="panelEmit('pick-media')">
-        <text class="panel-item-icon">🖼</text>
-        <text class="panel-item-label">图片/视频</text>
-      </button>
-      <button class="panel-item" :disabled="disabled || transcribing" @click="panelEmit('pick-audio')">
-        <text class="panel-item-icon">🎵</text>
-        <text class="panel-item-label">选音频转文字</text>
-      </button>
-      <button v-if="toolLabel" class="panel-item" :disabled="disabled" @click="panelEmit('tool')">
-        <text class="panel-item-icon">📊</text>
-        <text class="panel-item-label">{{ toolLabel }}</text>
-      </button>
+      <template v-if="panelItems.length">
+        <button
+          v-for="item in panelItems"
+          :key="item.key"
+          class="panel-item"
+          :disabled="disabled || item.disabled"
+          @click="panelAction(item.key)"
+        >
+          <text class="panel-item-icon">{{ item.icon }}</text>
+          <text class="panel-item-label">{{ item.label }}</text>
+        </button>
+      </template>
+      <template v-else>
+        <button class="panel-item" :disabled="disabled" @click="panelEmit('pick-media')">
+          <text class="panel-item-icon">🖼</text>
+          <text class="panel-item-label">图片/视频</text>
+        </button>
+        <button class="panel-item" :disabled="disabled || transcribing" @click="panelEmit('pick-audio')">
+          <text class="panel-item-icon">🎵</text>
+          <text class="panel-item-label">选音频转文字</text>
+        </button>
+        <button v-if="toolLabel" class="panel-item" :disabled="disabled" @click="panelEmit('tool')">
+          <text class="panel-item-icon">📊</text>
+          <text class="panel-item-label">{{ toolLabel }}</text>
+        </button>
+      </template>
     </view>
-    <text v-if="panelOpen" class="panel-hint">图片≤10MB，视频≤100MB；仅用于本次现场分析</text>
+    <text v-if="panelOpen && !panelItems.length" class="panel-hint">图片≤10MB，视频≤100MB；仅用于本次现场分析</text>
   </view>
 </template>
 
@@ -98,6 +112,7 @@ const props = withDefaults(defineProps<{
   mediaName?: string;
   mediaKind?: string;
   toolLabel?: string;
+  panelItems?: Array<{ key: string; icon: string; label: string; disabled?: boolean }>;
 }>(), {
   disabled: false,
   transcribing: false,
@@ -106,7 +121,8 @@ const props = withDefaults(defineProps<{
   quickQuestions: () => [],
   mediaName: '',
   mediaKind: '',
-  toolLabel: ''
+  toolLabel: '',
+  panelItems: () => []
 });
 
 const emit = defineEmits<{
@@ -117,6 +133,7 @@ const emit = defineEmits<{
   (e: 'clear-media'): void;
   (e: 'quick', question: string): void;
   (e: 'tool'): void;
+  (e: 'panel', key: string): void;
 }>();
 
 const draft = ref('');
@@ -150,6 +167,11 @@ const panelEmit = (event: 'pick-media' | 'pick-audio' | 'tool') => {
   emit(event);
 };
 
+const panelAction = (key: string) => {
+  panelOpen.value = false;
+  emit('panel', key);
+};
+
 const stopTracks = () => {
   stream?.getTracks().forEach((track) => track.stop());
   stream = null;
diff --git a/mobile-uni/src/pages/user/practice/index.vue b/mobile-uni/src/pages/user/practice/index.vue
index 3b9ba52c..4a8fb0c1 100644
--- a/mobile-uni/src/pages/user/practice/index.vue
+++ b/mobile-uni/src/pages/user/practice/index.vue
@@ -155,46 +155,98 @@
       <view><text>红线纠偏</text><text>识别与规避</text></view>
     </view>
 
-    <view v-if="practiceView === 'active' && turns.length" class="panel dialogue-card employee-card">
-      <view class="dialogue-head">
-        <view class="dialogue-heading-block">
-          <text class="panel-title">对话</text>
-          <text class="dialogue-caption">保持承接情绪、说明动作、给出反馈节点。</text>
+    <view v-if="practiceView === 'active'" class="practice-chat">
+      <view class="chat-head">
+        <view class="chat-head-row">
+          <text class="chat-title">{{ activeScenarioName }}</text>
+          <text class="chat-context">第 {{ Math.min(roundIndex + 1, 3) }}/3 轮</text>
         </view>
-        <text class="round-label">第 {{ Math.min(roundIndex + 1, 3) }} 轮</text>
-      </view>
-      <view v-if="hasCoachState" class="coach-state">
-        <view class="state-row">
-          <text>情绪 {{ emotionScore }}</text>
-          <view class="state-bar">
-            <view class="state-fill emotion-fill" :style="{ width: `${emotionScore}%` }" />
+        <view v-if="hasCoachState" class="coach-strip">
+          <view class="coach-metric">
+            <text class="coach-metric-label">情绪 {{ emotionScore }}</text>
+            <view class="state-bar"><view class="state-fill emotion-fill" :style="{ width: `${emotionScore}%` }" /></view>
+          </view>
+          <view class="coach-metric">
+            <text class="coach-metric-label">信任 {{ trustScore }}</text>
+            <view class="state-bar"><view class="state-fill trust-fill" :style="{ width: `${trustScore}%` }" /></view>
           </view>
         </view>
-        <view class="state-row">
-          <text>信任 {{ trustScore }}</text>
-          <view class="state-bar">
-            <view class="state-fill trust-fill" :style="{ width: `${trustScore}%` }" />
-          </view>
-        </view>
-        <text v-if="redFlagActive" class="red-flag">红线纠偏：先承接诉求，避免推责、绝对承诺或情绪对抗。</text>
+        <text v-if="redFlagActive" class="chat-red-flag">红线纠偏：先承接诉求，避免推责、绝对承诺或情绪对抗。</text>
       </view>
-      <view class="turn-list">
-        <view v-for="(turn, index) in turns" :key="index" class="turn-row" :class="turn.role">
-          <view class="turn-heading">
-            <text class="turn-role">{{ roleLabel(turn.role) }}</text>
-            <button
-              v-if="turn.role !== 'trainee'"
-              class="turn-voice-button"
-              :disabled="speechState.status === 'loading' && speechState.key !== `turn-${index}`"
-              @click="speakGenerated(`turn-${index}`, turn.text)"
-            >
-              {{ speechButtonLabel(`turn-${index}`) }}
-            </button>
+
+      <scroll-view scroll-y class="chat-thread" :scroll-top="threadScrollTop" :scroll-with-animation="true">
+        <view class="thread-inner">
+          <template v-for="(turn, index) in turns" :key="index">
+            <view v-if="turn.role === 'customer'" class="bubble-row left">
+              <view class="avatar customer-avatar">业</view>
+              <view class="master-col">
+                <view v-if="turnVoice(index).status !== 'unavailable'" class="voice-line">
+                  <view
+                    class="bubble master voice-bubble"
+                    :class="{ playing: isTurnPlaying(index) }"
+                    @click="playTurnVoice(index, turn.text)"
+                  >
+                    <text class="voice-icon">{{ isTurnPlaying(index) ? '◼' : '🔊' }}</text>
+                    <text class="voice-duration">{{ turnVoiceLabel(index) }}</text>
+                  </view>
+                  <view v-if="turnVoice(index).unread" class="voice-dot" />
+                  <button class="transcript-toggle" @click="toggleTurnTranscript(index)">
+                    {{ turnVoice(index).open ? '收起' : '转文字' }}
+                  </button>
+                </view>
+                <view v-if="turnVoice(index).status === 'unavailable' || turnVoice(index).open" class="bubble master">
+                  <text class="bubble-text">{{ turn.text }}</text>
+                </view>
+              </view>
+            </view>
+
+            <view v-else-if="turn.role === 'coach'" class="bubble-row left">
+              <view class="avatar coach-avatar">傅</view>
+              <view class="bubble coach">
+                <text class="coach-label">老师傅提示</text>
+                <text class="bubble-text">{{ turn.text }}</text>
+                <view class="bubble-actions">
+                  <button
+                    class="bubble-action"
+                    :disabled="speechState.status === 'loading' && speechState.key !== `turn-${index}`"
+                    @click="speakGenerated(`turn-${index}`, turn.text)"
+                  >
+                    {{ speechButtonLabel(`turn-${index}`) }}
+                  </button>
+                </view>
+              </view>
+            </view>
+
+            <view v-else class="bubble-row right">
+              <view class="bubble user">
+                <text class="bubble-text">{{ turn.text }}</text>
+              </view>
+            </view>
+          </template>
+
+          <view v-if="helpAnswer" class="bubble-row left">
+            <view class="avatar coach-avatar">傅</view>
+            <view class="bubble coach">
+              <text class="coach-label">SOP 提示</text>
+              <text class="bubble-text">{{ helpAnswer }}</text>
+              <view v-if="helpRefs.length" class="help-ref-list">
+                <text v-for="item in helpRefs" :key="item" class="citation-meta">📄 {{ item }}</text>
+              </view>
+            </view>
           </view>
-          <text class="turn-text">{{ turn.text }}</text>
+
+          <view v-if="status === 'submitting'" class="system-row">
+            <text class="system-text">业主回应中…</text>
+          </view>
+          <view v-if="message" class="system-row">
+            <text class="system-text">{{ message }}</text>
+          </view>
+
+          <view :style="{ height: '12px' }" />
         </view>
-      </view>
-      <view v-if="canAdjustCoach" class="style-actions">
+      </scroll-view>
+
+      <view v-if="canAdjustCoach" class="style-chip-row">
         <button
           v-for="item in styleOptions"
           :key="item.value"
@@ -205,41 +257,21 @@
           {{ adjustingStyle === item.value ? '调整中' : item.label }}
         </button>
       </view>
-    </view>
 
-    <view v-if="status === 'active' || status === 'submitting'" class="panel reply-card employee-card">
-      <text class="panel-title">你的回应</text>
-      <textarea
-        v-model="draft"
-        class="textarea practice-textarea"
-        maxlength="500"
+      <ChatComposer
+        ref="composerRef"
+        :disabled="busy"
+        :transcribing="transcribing"
         placeholder="先承接业主情绪，再说明处理动作和反馈时间。"
+        :maxlength="500"
+        :panel-items="practicePanelItems"
+        @send="handleComposerSend"
+        @voice-blob="handleSessionVoiceBlob"
+        @pick-audio="composerPickAudio"
+        @panel="handlePanelAction"
       />
-      <view class="reply-actions">
-        <button class="secondary-button" :class="{ 'recording-active': recording }" :disabled="busy || transcribing" @click="() => toggleRecording()">
-          {{ recording ? '停止录音' : '录音转写' }}
-        </button>
-        <button class="ghost-button" :disabled="busy || recording || transcribing" @click="() => pickAudio()">
-          {{ transcribing ? '转写中' : '选音频' }}
-        </button>
-        <button class="secondary-button" :disabled="busy || helpLoading" @click="loadHelp">
-          {{ helpLoading ? '求助中' : '求助' }}
-        </button>
-        <button class="secondary-button" :disabled="busy || !canFinishPractice" @click="finish()">结束评分</button>
-        <button class="primary-button" :disabled="busy" @click="submit">
-          {{ status === 'submitting' ? '提交中' : '提交回应' }}
-        </button>
-      </view>
-      <text v-if="draftAudioUrl" class="voice-state">已附带语音回放</text>
     </view>
 
-    <view v-if="practiceView === 'active' && (helpAnswer || helpRefs.length)" class="panel help-card employee-card">
-      <text class="panel-title">SOP 提示</text>
-      <text v-if="helpAnswer" class="help-answer">{{ helpAnswer }}</text>
-      <view v-if="helpRefs.length" class="help-refs">
-        <text v-for="item in helpRefs" :key="item" class="help-ref">{{ item }}</text>
-      </view>
-    </view>
 
     <view v-if="result" class="panel result-card employee-card">
       <view class="result-title-row">
@@ -307,8 +339,9 @@
 </template>
 
 <script setup lang="ts">
-import { computed, ref } from 'vue';
+import { computed, nextTick, ref } from 'vue';
 import { onHide, onShow, onUnload } from '@dcloudio/uni-app';
+import ChatComposer from '@/components/chat/ChatComposer.vue';
 import type {
   PracticeFinishResponse,
   PracticePrepCard,
@@ -323,7 +356,7 @@ import { getSelectedPosition, isLoggedIn, rememberLoginRedirect } from '@/servic
 import { searchKnowledge } from '@/services/knowledge';
 import { resetPageScroll } from '@/services/navigation';
 import { ensureEmployeePosition } from '@/services/position';
-import { chooseSpeechAudio, createSpeechPlaybackController, normalizeOssId, transcribeSpeechBlob, transcribeSpeechFile } from '@/services/speech';
+import { chooseSpeechAudio, createSpeechPlaybackController, measureAudioDuration, normalizeOssId, transcribeSpeechBlob, transcribeSpeechFile } from '@/services/speech';
 import { createPageRequestScope, currentAccountKey, type RequestScopeTicket } from '@/services/request-scope';
 
 type PracticeStatus = 'idle' | 'starting' | 'active' | 'submitting' | 'finished';
@@ -465,6 +498,156 @@ const speakGenerated = (key: string, text?: string) => {
   void speechPlayback.toggle(key, text || '');
 };
 
+/* ===== chat-session presentation (WeChat-style, batch 2) ===== */
+const composerRef = ref<InstanceType<typeof ChatComposer> | null>(null);
+const threadScrollTop = ref(0);
+let threadScrollSeq = 0;
+
+const scrollThreadToBottom = () => {
+  void nextTick(() => {
+    threadScrollSeq += 200;
+    threadScrollTop.value = 100000 + threadScrollSeq;
+  });
+};
+
+interface TurnVoice {
+  status: 'preparing' | 'ready' | 'unavailable';
+  duration: number | null;
+  unread: boolean;
+  open: boolean;
+}
+
+const turnVoices = ref<Record<number, TurnVoice>>({});
+
+const turnVoice = (index: number): TurnVoice =>
+  turnVoices.value[index] || { status: 'unavailable', duration: null, unread: false, open: false };
+
+const patchTurnVoice = (index: number, patch: Partial<TurnVoice>) => {
+  turnVoices.value = { ...turnVoices.value, [index]: { ...turnVoice(index), ...patch } };
+};
+
+/** Customer lines arrive as WeChat-style voice messages: pre-synthesize so the
+ *  bubble shows a duration and an unread dot; fall back to text when TTS is off. */
+const prepareTurnVoice = async (index: number, text: string) => {
+  const spoken = (text || '').trim();
+  if (!spoken) return;
+  patchTurnVoice(index, { status: 'preparing', duration: null, unread: true, open: false });
+  const source = await speechPlayback.preload(spoken);
+  if (!turnVoices.value[index]) return;
+  if (!source) {
+    patchTurnVoice(index, { status: 'unavailable', unread: false });
+    return;
+  }
+  const duration = await measureAudioDuration(source);
+  patchTurnVoice(index, { status: 'ready', duration });
+};
+
+const isTurnPlaying = (index: number) =>
+  speechState.value.key === `turn-${index}` && speechState.value.status === 'playing';
+
+const turnVoiceLabel = (index: number) => {
+  if (speechState.value.key === `turn-${index}` && speechState.value.status === 'loading') return '…';
+  const voice = turnVoice(index);
+  if (voice.status === 'preparing') return '…';
+  return voice.duration ? `${Math.min(voice.duration, 60)}"` : '语音';
+};
+
+const playTurnVoice = (index: number, text: string) => {
+  if (turnVoice(index).status === 'preparing') {
+    uni.showToast({ title: '语音生成中，请稍候', icon: 'none' });
+    return;
+  }
+  patchTurnVoice(index, { unread: false });
+  void speechPlayback.toggle(`turn-${index}`, (text || '').trim());
+};
+
+const toggleTurnTranscript = (index: number) => {
+  patchTurnVoice(index, { open: !turnVoice(index).open });
+};
+
+const practicePanelItems = computed(() => [
+  { key: 'audio', icon: '🎵', label: '选音频转文字', disabled: transcribing.value },
+  { key: 'help', icon: '🧭', label: helpLoading.value ? '求助中…' : '求助 SOP', disabled: helpLoading.value },
+  { key: 'finish', icon: '🏁', label: '结束评分', disabled: !canFinishPractice.value }
+]);
+
+const handlePanelAction = (key: string) => {
+  if (key === 'audio') {
+    void composerPickAudio();
+  } else if (key === 'help') {
+    void loadHelp();
+  } else if (key === 'finish') {
+    void finish();
+  }
+};
+
+const handleComposerSend = (text: string) => {
+  draft.value = text;
+  void submit();
+};
+
+const submitTranscribed = async (text: string, audioUrl: string, ossId?: string) => {
+  draft.value = text;
+  draftAudioUrl.value = audioUrl;
+  draftAudioOssId.value = ossId;
+  await submit();
+};
+
+const handleSessionVoiceBlob = async (blob: Blob) => {
+  if (transcribing.value || busy.value) return;
+  const generation = ++transcriptionGeneration;
+  transcribing.value = true;
+  try {
+    const asr = await transcribeSpeechBlob(blob, 'practice-turn.webm', (abort) => {
+      if (generation === transcriptionGeneration) abortTranscription = abort;
+    });
+    if (generation !== transcriptionGeneration) return;
+    const text = (asr.text || '').trim();
+    if (!text) {
+      uni.showToast({ title: '语音没有识别到文字，请再说一遍', icon: 'none' });
+      return;
+    }
+    await submitTranscribed(text, asr.audioUrl || '', normalizeOssId(asr.ossId));
+  } catch (error) {
+    if (generation !== transcriptionGeneration) return;
+    uni.showToast({ title: error instanceof Error ? error.message : '语音转写失败，请改用文字输入', icon: 'none' });
+  } finally {
+    if (generation === transcriptionGeneration) {
+      abortTranscription = null;
+      transcribing.value = false;
+    }
+  }
+};
+
+const composerPickAudio = async () => {
+  if (busy.value || transcribing.value) return;
+  const generation = ++transcriptionGeneration;
+  transcribing.value = true;
+  try {
+    const file = await chooseSpeechAudio();
+    if (generation !== transcriptionGeneration) return;
+    const asr = await transcribeSpeechFile(file, (abort) => {
+      if (generation === transcriptionGeneration) abortTranscription = abort;
+    });
+    if (generation !== transcriptionGeneration) return;
+    const text = (asr.text || '').trim();
+    if (!text) {
+      uni.showToast({ title: '语音没有识别到文字，请再试一次', icon: 'none' });
+      return;
+    }
+    await submitTranscribed(text, asr.audioUrl || '', normalizeOssId(asr.ossId));
+  } catch (error) {
+    if (generation !== transcriptionGeneration) return;
+    const text = error instanceof Error ? error.message : '语音转写失败，请改用文字输入';
+    if (text !== '未选择音频') uni.showToast({ title: text, icon: 'none' });
+  } finally {
+    if (generation === transcriptionGeneration) {
+      abortTranscription = null;
+      transcribing.value = false;
+    }
+  }
+};
+
 const dailyFeedbackSpeech = (item: PracticeAssignment) => [
   typeof item.score === 'number' ? `本题得分${item.score}分` : '',
   item.feedback ? `点评，${item.feedback}` : '',
@@ -558,6 +741,10 @@ const requireLogin = () => {
 const appendTurn = (role: PracticeRole, text?: string) => {
   if (!text) return;
   turns.value.push({ role, text });
+  if (role === 'customer') {
+    void prepareTurnVoice(turns.value.length - 1, text);
+  }
+  scrollThreadToBottom();
 };
 
 const clearDraftAudio = () => {
@@ -928,6 +1115,8 @@ const start = async (scenarioId = defaultScenarioId, assignmentId?: number) => {
   satisfactionComment.value = '';
   satisfactionSubmitted.value = false;
   turns.value = [];
+  turnVoices.value = {};
+  threadScrollTop.value = 0;
   draft.value = '';
   clearDraftAudio();
   helpAnswer.value = '';
@@ -2346,4 +2535,287 @@ onUnload(() => {
 .result-voice-button {
   flex: none;
 }
+
+/* ===== chat session (WeChat-style, batch 2) ===== */
+.practice-chat {
+  position: fixed;
+  top: var(--window-top, 0px);
+  right: 0;
+  bottom: var(--window-bottom, 0px);
+  left: 0;
+  display: flex;
+  flex-direction: column;
+  min-height: 0;
+  padding: 0;
+  background: #f2f3f5;
+  overflow: hidden;
+  z-index: 10;
+}
+
+.practice-chat .chat-head {
+  flex-shrink: 0;
+  padding: 8px 12px 8px;
+  background: #ffffff;
+  border-bottom: 1px solid #ebedf0;
+}
+
+.chat-head-row {
+  display: flex;
+  align-items: baseline;
+  justify-content: space-between;
+}
+
+.chat-title {
+  color: #18202b;
+  font-size: 16px;
+  font-weight: 800;
+}
+
+.chat-context {
+  color: #8a93a0;
+  font-size: 12px;
+}
+
+.coach-strip {
+  display: flex;
+  gap: 14px;
+  margin-top: 8px;
+}
+
+.coach-metric {
+  flex: 1;
+}
+
+.coach-metric-label {
+  display: block;
+  margin-bottom: 3px;
+  color: #5a6270;
+  font-size: 11px;
+}
+
+.chat-red-flag {
+  display: block;
+  margin-top: 7px;
+  color: #bd0010;
+  font-size: 12px;
+}
+
+.chat-thread {
+  flex: 1;
+  min-height: 0;
+}
+
+.thread-inner {
+  display: flex;
+  flex-direction: column;
+  gap: 12px;
+  padding: 14px 12px 6px;
+}
+
+.bubble-row {
+  display: flex;
+  align-items: flex-start;
+  gap: 8px;
+}
+
+.bubble-row.right {
+  justify-content: flex-end;
+}
+
+.avatar {
+  flex-shrink: 0;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  width: 34px;
+  height: 34px;
+  border-radius: 8px;
+  font-size: 15px;
+  font-weight: 700;
+}
+
+.customer-avatar {
+  background: #e70014;
+  color: #ffffff;
+}
+
+.coach-avatar {
+  background: #1f5c9d;
+  color: #ffffff;
+}
+
+.bubble {
+  max-width: 82%;
+  padding: 10px 12px;
+  border-radius: 12px;
+  word-break: break-word;
+}
+
+.bubble.master {
+  background: #ffffff;
+  border-top-left-radius: 4px;
+  box-shadow: 0 1px 3px rgba(20, 24, 31, 0.06);
+}
+
+.bubble.coach {
+  background: #eef4fb;
+  border-top-left-radius: 4px;
+}
+
+.bubble.user {
+  background: #ffd8dc;
+  border-top-right-radius: 4px;
+}
+
+.coach-label {
+  display: block;
+  margin-bottom: 4px;
+  color: #1f5c9d;
+  font-size: 11px;
+  font-weight: 700;
+}
+
+.bubble-text {
+  display: block;
+  color: #232a33;
+  font-size: 15px;
+  line-height: 1.55;
+  white-space: pre-wrap;
+}
+
+.master-col {
+  display: flex;
+  flex-direction: column;
+  align-items: flex-start;
+  gap: 8px;
+  max-width: 82%;
+}
+
+.master-col .bubble {
+  max-width: 100%;
+}
+
+.voice-line {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+}
+
+.voice-bubble {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  min-width: 96px;
+  padding: 11px 14px;
+  cursor: pointer;
+}
+
+.voice-bubble.playing {
+  background: #ffe9eb;
+}
+
+.voice-icon {
+  font-size: 15px;
+  line-height: 1;
+}
+
+.voice-duration {
+  color: #232a33;
+  font-size: 15px;
+  font-weight: 600;
+}
+
+.voice-dot {
+  flex-shrink: 0;
+  width: 9px;
+  height: 9px;
+  border-radius: 50%;
+  background: #f43b30;
+}
+
+.transcript-toggle {
+  flex-shrink: 0;
+  margin: 0;
+  padding: 4px 12px;
+  border: none;
+  border-radius: 8px;
+  background: rgba(20, 24, 31, 0.06);
+  color: #6b7480;
+  font-size: 12px;
+  line-height: 1.5;
+}
+
+.bubble-actions {
+  display: flex;
+  flex-wrap: wrap;
+  align-items: center;
+  gap: 8px;
+  margin-top: 8px;
+}
+
+.bubble-action {
+  margin: 0;
+  padding: 4px 12px;
+  border: 1px solid #d9e4f0;
+  border-radius: 999px;
+  background: #ffffff;
+  color: #38424e;
+  font-size: 12px;
+  line-height: 1.5;
+}
+
+.help-ref-list {
+  display: flex;
+  flex-direction: column;
+  gap: 3px;
+  margin-top: 6px;
+}
+
+.citation-meta {
+  color: #6b7480;
+  font-size: 11px;
+}
+
+.system-row {
+  display: flex;
+  justify-content: center;
+  padding: 2px 0;
+}
+
+.system-text {
+  max-width: 86%;
+  padding: 4px 12px;
+  border-radius: 999px;
+  background: rgba(20, 24, 31, 0.06);
+  color: #6b7480;
+  font-size: 12px;
+  text-align: center;
+  line-height: 1.5;
+}
+
+.style-chip-row {
+  display: flex;
+  gap: 8px;
+  padding: 8px 10px 0;
+  background: #f7f8fa;
+  border-top: 1px solid #ebedf0;
+  overflow-x: auto;
+}
+
+.style-chip-row .chip {
+  flex-shrink: 0;
+  margin: 0;
+  padding: 5px 12px;
+  border: 1px solid #cddcec;
+  border-radius: 999px;
+  background: #ffffff;
+  color: #1f5c9d;
+  font-size: 13px;
+  line-height: 1.4;
+}
+
+.style-chip-row + .chat-composer-wrap,
+.practice-chat .chat-composer-wrap {
+  border-top: none;
+}
 </style>